(3TQM GJaGbHGJ GdLGO (BGATT & WTO /s - (3YHO GdaJGM eQGOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] ,s, 1995)
(3jTJed Ydi EjVGMjGJ, eKjdjGJ (B.s
. 527-530 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3GdGJaGbjI GdYGeI ddJYQjaI GdLeQcjIs; (3efXeI GdJLGQI GdYGdejIs